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Engine SwapEverything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.
Looks like the final pieces of the puzzle are coming together and it should be competed by next week.
What started out as a mild 350 rebuild of a L98 with 083 heads has morphed itself into a -
355 with 062 Vortec heads ported to flow 230,
hotter cam 226/234 112,
9.7 to 1 compression,
self aligning roller rockers,
1-3/4 dyno don headers,
serpentine system (smog delete),
CCC Qjet rebuilt with these specs in mind.
Edlebrock Performer RPM
So I walk into the engine shop where the work is being done and I ask the million dollar question.....
"What kind of power are we talking here?"
After some number crunching, I hear "oh about 400"
Are you sure about that? I was under the impression the only Vortec spreadbore available was the standard Performer, not Performer RPM (there is a non-Vortec Performer RPM spreadbore available).
Are you sure about that? I was under the impression the only Vortec spreadbore available was the standard Performer, not Performer RPM (there is a non-Vortec Performer RPM spreadbore available).
Decided to pull the A/C. Going to put the chrome valve covers on too.
The CCC qjet actually runs well. Still needs a TPS adjustment after I get the timing set though. It's a rough idle but the motor doesn't die at idle //700-800 rpm
I found it on eBay
The air cleaner came from a 1984 Z28, so I just used my original al L69 air cleaner cover instead.
I really like the way it turned out !! Especially with the chrome covers and Pontiac blue paint on the block, kind of the old school Pontiac look I was shooting for
I will say this.... I needed to remove the a/c compressor to fit the passenger side intake, since I am using a serpentine belt system.... Oh well... I've got t tops anyway
i have unported vortecs on the 355 in my Camaro with the same intake as you- but with an Edelbrock 1910 850cfm quadrajet- with a .488/.510 lift cam and long tube headers.. i was out playing with my trusty old G Tech meter last weekend, and it said i was going 105 in the 1/4 mile with a bad bog off the line and a 700r4 that doesn't shift consistently.